-35.68% is the change from 981 to 631
Calculation steps:
[( 631 - 981 ) ÷ 981] x 100 = -35.68%
Formula
Percentage change = [(631 - 981) / 981] x 100
Subtract the new number by the original number
631 - 981 = -350
-350 ÷ 981 = -0.3567787971457696
-0.3567787971457696 x 100 = -35.68%